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【简答题】
侧沟、天沟、排水沟的横断面 , 除需按流量计算外,可采用底宽 m,深 m ; 沟顶应高出设计水位 不小于 m。
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A.
Ⅰ、Ⅱ、Ⅲ
B.
Ⅰ、Ⅱ
C.
Ⅱ、Ⅲ
D.
【单选题】下列情况可使用招引他船注意的信号的是:I、本船发现他船走锚II、本船发现落水者III、本船正在进行舷外作用
A.
Ⅰ、Ⅱ、Ⅲ
B.
Ⅰ、Ⅱ
C.
Ⅱ、Ⅲ
D.
【单选题】In many cases a prefix added to a word gives it the opposite meaning, for example happy and unhappy. However , in some cases, prefixes can be misleading. All but one of these pairs of words have the s...
A.
flammable and inflammable
B.
press and depress
C.
habitable and inhabitable
D.
valuable and invaluable
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A.
B.
①②
C.
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D.
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【单选题】The word “flammable” is with the same meaning of.
A.
dangerous
B.
toxic
C.
light
D.
combustible
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A.
正确
B.
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A.
正确
B.
错误
【判断题】Yamen (GV15) and Fengfu (GV16) can puncture deeply perpendicularly or obliquely upward.向上深刺
A.
正确
B.
错误
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